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Type: Journal article
Title: Specificity in Arabidopsis thaliana recruitment of root fungal communities from soil and rhizosphere
Author: Urbina, H.
Breed, M.
Zhao, W.
Lakshmig, K.
Andersson, S.
Ågren, J.
Baldauf, S.
Rosling, A.
Citation: Fungal Biology, 2018; 122(4):231-240
Publisher: Elsevier
Issue Date: 2018
ISSN: 1878-6146
Statement of
Hector Urbina, Martin F. Breed, Weizhou Zhao, Kanaka Lakshmi Gurrala, Siv G.E. Andersson, Jon Ågren, Sandra Baldauf, Anna Rosling
Abstract: Biotic and abiotic conditions in soil pose major constraints on growth and reproductive success of plants. Fungi are important agents in plant soil interactions but the belowground mycobiota associated with plants remains poorly understood. We grew one genotype each from Sweden and Italy of the widelystudied plant model Arabidopsis thaliana. Plants were grown under controlled conditions in organic topsoil local to the Swedish genotype, and harvested after ten weeks. Total DNAwas extracted from three belowground compartments: endosphere (sonicated roots), rhizosphere and bulk soil, and fungal communities were characterized from each by amplification and sequencing of the fungal barcode region ITS2. Fungal species diversity was found to decrease from bulk soil to rhizosphere to endosphere. A significant effect of plant genotype on fungal community composition was detected only in the endosphere compartment. Despite A. thaliana being a non-mycorrhizal plant, it hosts a number of known mycorrhiza fungi in its endosphere compartment, which is also colonized by endophytic, pathogenic and saprotrophic fungi. Species in the Archaeorhizomycetes were most abundant in rhizosphere samples suggesting an adaptation to environments with high nutrient turnover for some of these species. We conclude that A. thaliana endosphere fungal communities represent a selected subset of fungi recruited from soil and that plant genotype has small but significant quantitative and qualitative effects on these communities.
Keywords: Arabidopsis; Archaeorhizomcyetes; Brassicaceae; Ion Torrent; ITS metabarcoding; rhizosphere
Description: Available online 10 January 2018
Rights: © 2018 The Authors. Published by Elsevier Ltd on behalf of British Mycological Society. This is an open access article under the CC BY-NC-ND license (
RMID: 0030082442
DOI: 10.1016/j.funbio.2017.12.013
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Appears in Collections:Earth and Environmental Sciences publications

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